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MDL-21208 major perf improvement for theme designer mode - now partially cached too ;-)

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This commit is contained in:
Petr Skoda 2009-12-29 12:04:31 +00:00
parent 13ea159e9c
commit 7829cf7955
2 changed files with 38 additions and 21 deletions
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25
lib/outputlib.php
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@ -587,8 +587,29 @@ class theme_config {
return array(new moodle_url($CFG->httpswwwroot.'/theme/styles.php', $params));
} else {
// this is painfully slow, but it should not matter much ;-)
$css = $this->css_content();
// find out the current CSS and cache it now for 5 seconds
// the point is to construct the CSS only once and pass it through the
// dataroot to the script that actually serves the sheets
$candidatesheet = "$CFG->dataroot/cache/theme/$this->name/designer.ser";
if (!file_exists($candidatesheet)) {
$css = $this->css_content();
check_dir_exists(dirname($candidatesheet), true, true);
file_put_contents($candidatesheet, serialize($css));
} else if (filemtime($candidatesheet) > time() - 5) {
if ($css = file_get_contents($candidatesheet)) {
$css = unserialize($css);
} else {
unlink($candidatesheet);
$css = $this->css_content();
}
} else {
unlink($candidatesheet);
$css = $this->css_content();
file_put_contents($candidatesheet, serialize($css));
}
$url = $CFG->httpswwwroot.'/theme/styles_debug.php';
$urls = array();
$urls[] = new moodle_url($url, array('theme'=>$this->name,'type'=>'yui2'));